When hybrid learning began Oct. 19, Appoquinimink School District started using QR codes to track staff members as they enter and exit buildings for COVID-19 contact tracing.

In a classroom setting, students normally raise their hands or answer “Present!” when called for class attendance. But unlike this conventional practice, a public school teacher in Imus City ...

Fueled by a desire for touchless transactions, QR codes popped up everywhere in the pandemic. Businesses don’t want to give them up.

In his home country, his concerns revolve around "attendance tracking" technology enabled through QR codes so Australian companies can monitor capacity levels at their businesses.

The technology is being used to inform and notify parents of their child’s whereabouts and to help drivers keep attendance.